DM74AS04MX Equivalent & Substitute Parts

Part Overview

The DM74AS04MX is a 6-channel inverter logic IC manufactured by onsemi in a 14-SOIC surface mount package. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The DM74AS04MX operates within the 74AS logic family standard, providing basic inverter functionality with specified electrical characteristics suitable for TTL-compatible digital applications.

Substiute Parts

DM74AS04MX

onsemiIn Stock: 4021DM74AS04MX Datasheet

Current PartRFQ

SN74AS04D

Texas InstrumentsIn Stock: 1843SN74AS04D Datasheet

DirectRFQ

SN74AS04NSR

Texas InstrumentsIn Stock: 2534SN74AS04NSR Datasheet

SimilarRFQ

SN74AS04DR

Texas InstrumentsIn Stock: 2221SN74AS04DR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DM74AS04MX are qualified based on strict electrical and mechanical parameter matching within the 74AS logic family. The substitution logic is determined by the following criteria:

Direct Electrical Equivalence: All substitute parts maintain identical specifications for supply voltage (4.5V ~ 5.5V), output current ratings (2mA, 20mA), input logic levels (0.8V low, 2V high), propagation delay (5ns @ 5V, 50pF), and operating temperature range (0°C ~ 70°C).

Functional Equivalence: All parts provide 6-channel inverter functionality with 1 input per channel, maintaining the same logic type and circuit count.

Package Compatibility: Substitute parts are grouped by package type. Direct substitutes use the 14-SOIC (0.154", 3.90mm Width) package. Similar substitutes use the 14-SOIC (0.209", 5.30mm Width) package, which differs in physical width but maintains the same pin count and pitch.

Packaging Format: Substitutes are available in different distribution formats (tube, tape & reel) but do not affect electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: SN74AS04DR (Texas Instruments) is the recommended substitute for new designs and ongoing procurement. This part is in active product status, maintains identical electrical and mechanical specifications to the DM74AS04MX, and is available in tape & reel packaging suitable for automated assembly. The SN74AS04DR carries ROHS3 compliance certification.

Secondary Substitute: SN74AS04D (Texas Instruments) provides direct electrical and mechanical equivalence with identical package dimensions. This part is classified as Last Time Buy, indicating limited future availability. Use this substitute only when SN74AS04DR is unavailable.

Package Variant: SN74AS04NSR (Texas Instruments) is functionally and electrically equivalent but uses a 14-SOIC package with 5.30mm width instead of 3.90mm width. This part is in active status and ROHS3 compliant. Use this variant only if PCB layout accommodates the wider package footprint.

All recommended substitutes maintain REACH Unaffected status and EAR99 export classification consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can SN74AS04DR be used as a direct replacement for DM74AS04MX? A: Yes. The SN74AS04DR maintains identical electrical specifications (supply voltage, output current, input logic levels, propagation delay, operating temperature) and uses the same 14-SOIC (0.154", 3.90mm Width) package. No circuit modifications are required.

Q: What is the difference between SN74AS04D and SN74AS04DR? A: Both parts are electrically identical. The primary difference is packaging format: SN74AS04D is supplied in tube format, while SN74AS04DR is supplied in tape & reel format. SN74AS04D is classified as Last Time Buy, indicating reduced future availability.

Q: Can SN74AS04NSR be used instead of DM74AS04MX? A: SN74AS04NSR is electrically equivalent but uses a 14-SOIC package with 5.30mm width compared to the 3.90mm width of the original part. This wider package may not fit existing PCB footprints designed for the DM74AS04MX. Verify PCB layout compatibility before substitution.

Q: Why is the DM74AS04MX obsolete? A: The DM74AS04MX is classified as obsolete by onsemi. Texas Instruments continues to manufacture equivalent 74AS04 inverter ICs in active production status, making their parts suitable long-term replacements.

Q: Are all substitute parts ROHS3 compliant? A: SN74AS04D, SN74AS04DR, and SN74AS04NSR are all ROHS3 compliant. All parts maintain REACH Unaffected status and EAR99 export classification.

Q: What is the MSL rating for substitute parts? A: All substitute parts carry MSL 1 (Unlimited) rating, matching the original DM74AS04MX specification.